CN105307573B - 用于间隔的焦斑的准直 - Google Patents

用于间隔的焦斑的准直 Download PDF

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Publication number
CN105307573B
CN105307573B CN201480025708.0A CN201480025708A CN105307573B CN 105307573 B CN105307573 B CN 105307573B CN 201480025708 A CN201480025708 A CN 201480025708A CN 105307573 B CN105307573 B CN 105307573B
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China
Prior art keywords
focal spot
shield element
spot position
shield
ray
Prior art date
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CN201480025708.0A
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English (en)
Chinese (zh)
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CN105307573A (zh
Inventor
F·H·克雷默
R·D·J·H·霍夫欣克
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
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Koninklijke Philips Electronics NV
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Publication of CN105307573A publication Critical patent/CN105307573A/zh
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/06—Diaphragms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4007—Arrangements for generating radiation specially adapted for radiation diagnosis characterised by using a plurality of source units
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4021—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot
    • A61B6/4028—Arrangements for generating radiation specially adapted for radiation diagnosis involving movement of the focal spot resulting in acquisition of views from substantially different positions, e.g. EBCT
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4035—Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • G21K1/04—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/022—Stereoscopic imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/48—Diagnostic techniques
    • A61B6/482—Diagnostic techniques involving multiple energy imaging

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Optics & Photonics (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
CN201480025708.0A 2013-05-08 2014-05-06 用于间隔的焦斑的准直 Active CN105307573B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13166998.8 2013-05-08
EP13166998 2013-05-08
PCT/EP2014/059164 WO2014180809A1 (en) 2013-05-08 2014-05-06 Collimation for distanced focal spots

Publications (2)

Publication Number Publication Date
CN105307573A CN105307573A (zh) 2016-02-03
CN105307573B true CN105307573B (zh) 2019-01-29

Family

ID=48470725

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201480025708.0A Active CN105307573B (zh) 2013-05-08 2014-05-06 用于间隔的焦斑的准直

Country Status (5)

Country Link
US (1) US9877687B2 (de)
EP (1) EP2994052B1 (de)
JP (1) JP5961775B2 (de)
CN (1) CN105307573B (de)
WO (1) WO2014180809A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6162460B2 (ja) * 2013-04-15 2017-07-12 東芝電子管デバイス株式会社 Ｘ線シャッタ及びｘ線管装置
WO2015173750A1 (en) * 2014-05-15 2015-11-19 Koninklijke Philips N.V. Multi-focal spot imaging system
US10117632B2 (en) * 2016-02-03 2018-11-06 Globus Medical, Inc. Portable medical imaging system with beam scanning collimator
DE102016213990B4 (de) 2016-07-29 2019-02-07 Siemens Healthcare Gmbh Verfahren und Vorrichtung zum Einstellen eines räumlichen Absorptionsprofils eines Röntgenstrahls in einem Computertomographen
US10531844B1 (en) * 2019-08-09 2020-01-14 Malcova LLC Narrow beam CT using a 3D fluence modulation and scatter shield system
CN111134710B (zh) * 2020-01-17 2021-05-07 清华大学 一种多能量ct成像系统
US11622735B1 (en) 2022-10-20 2023-04-11 MALCOVA, Inc. Plural-plane narrow-beam computed tomography

Citations (6)

* Cited by examiner, † Cited by third party
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GB2035769B (en) * 1978-10-28 1983-07-27 Philips Nv Aperture system for multi-source tomography and a multisource tomography arrangment including said aperture system
DE8127102U1 (de) * 1981-09-16 1985-03-07 Siemens AG, 1000 Berlin und 8000 München Roentgenuntersuchungsgeraet
EP0142841A2 (de) * 1983-11-18 1985-05-29 Kabushiki Kaisha Toshiba Blenden-Vorrichtung für ein Röntgendiagnostik-Gerät
EP1120086A1 (de) * 1998-09-17 2001-08-01 Quanta Vision, Inc. Vorrichtung zur mammographie bei eingeschränktem winkel und varianten
CN101095164A (zh) * 2004-12-30 2007-12-26 Gsf-环境与健康研究中心有限公司 用于对能量输入束整形的方法和设备
CN102103248A (zh) * 2009-12-21 2011-06-22 索尼公司 具有置信度量的自动聚焦

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US1164987A (en) * 1914-02-03 1915-12-21 Siemens Ag Method of and apparatus for projecting röntgen images.
US1163987A (en) 1914-11-10 1915-12-14 William J Eggers Manufacture of rubber articles.
FR790078A (fr) * 1934-08-13 1935-11-12 Radiologie Cie Gle Grille antidiffusante mobile à orientation variable
JPS60127698A (ja) * 1983-12-13 1985-07-08 Toshiba Corp Ｘ線絞り装置
JPH0516558Y2 (de) * 1984-10-31 1993-04-30
JPH04179100A (ja) * 1990-11-13 1992-06-25 Toshiba Corp Ｘ線絞り装置
DE9103670U1 (de) * 1991-03-26 1991-05-29 Transformatoren- und Röntgenwerk GmbH i.L., 01139 Dresden Einrichtung zur Herstellung streustrahlenarmer Röntgenbilder
US6256369B1 (en) * 1999-03-31 2001-07-03 Analogic Corporation Computerized tomography scanner with longitudinal flying focal spot
JP2004089445A (ja) * 2002-08-30 2004-03-25 Konica Minolta Holdings Inc Ｘ線発生装置およびｘ線画像撮像システム
JP3909048B2 (ja) * 2003-09-05 2007-04-25 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｘ線ｃｔ装置およびｘ線管
JP2005245559A (ja) * 2004-03-02 2005-09-15 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ装置およびｘ線装置
US7569826B2 (en) 2007-03-30 2009-08-04 General Electric Company Adjustable collimators method and system
US8107695B2 (en) * 2007-06-27 2012-01-31 General Electric Company Methods and systems for assessing patient movement in diagnostic imaging
JP2011502679A (ja) 2007-11-15 2011-01-27 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 三次元ｘ線画像における改良された画質のための可動式くさび
CN102027561A (zh) * 2008-05-15 2011-04-20 皇家飞利浦电子股份有限公司 生成x射线束的方法和系统
US7844032B2 (en) * 2008-10-16 2010-11-30 General Electric Company Apparatus for providing collimation in a multispot X-ray source and method of making same
US8515005B2 (en) 2009-11-23 2013-08-20 Hologic Inc. Tomosynthesis with shifting focal spot and oscillating collimator blades
US8326012B2 (en) * 2009-10-07 2012-12-04 Hologic, Inc. Selective display of computer-aided detection findings with associated breast X-ray mammogram and/or tomosynthesis image information
DE102010040812A1 (de) 2010-09-15 2012-03-15 Siemens Aktiengesellschaft Verfahren zur Einblendung eines exzentrisch angeordneten Teilobjekts
WO2012058731A1 (en) 2010-11-05 2012-05-10 Crc For Biomedical Imaging Development Ltd Imaging system and method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2035769B (en) * 1978-10-28 1983-07-27 Philips Nv Aperture system for multi-source tomography and a multisource tomography arrangment including said aperture system
DE8127102U1 (de) * 1981-09-16 1985-03-07 Siemens AG, 1000 Berlin und 8000 München Roentgenuntersuchungsgeraet
EP0142841A2 (de) * 1983-11-18 1985-05-29 Kabushiki Kaisha Toshiba Blenden-Vorrichtung für ein Röntgendiagnostik-Gerät
EP1120086A1 (de) * 1998-09-17 2001-08-01 Quanta Vision, Inc. Vorrichtung zur mammographie bei eingeschränktem winkel und varianten
CN101095164A (zh) * 2004-12-30 2007-12-26 Gsf-环境与健康研究中心有限公司 用于对能量输入束整形的方法和设备
CN102103248A (zh) * 2009-12-21 2011-06-22 索尼公司 具有置信度量的自动聚焦

Also Published As

Publication number Publication date
US20160081636A1 (en) 2016-03-24
JP2016516558A (ja) 2016-06-09
EP2994052A1 (de) 2016-03-16
EP2994052B1 (de) 2016-11-16
WO2014180809A1 (en) 2014-11-13
US9877687B2 (en) 2018-01-30
CN105307573A (zh) 2016-02-03
JP5961775B2 (ja) 2016-08-02

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